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| author | Pádraig Brady <P@draigBrady.com> | 2023-04-13 13:15:31 +0100 |
|---|---|---|
| committer | Pádraig Brady <P@draigBrady.com> | 2023-04-13 20:19:09 +0100 |
| commit | 854c90ecc031232a3bd6d94b149f84d5c2e1ab11 (patch) | |
| tree | b987568c69e64edad51b07a60b7576ac0974ac77 | |
| parent | cc95246ee2ed674cd407f0f80fd77f3364012458 (diff) | |
| download | coreutils-854c90ecc031232a3bd6d94b149f84d5c2e1ab11.tar.gz | |
copy: --debug: indicate if NUL detection is used with SEEK_HOLE
* src/copy.c (sparse_copy): With --sparse=always we also detect
NULs in extents we're copying, so indicate this with --debug.
| -rw-r--r-- | src/copy.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/copy.c b/src/copy.c index 0476d95ca..13d93324f 100644 --- a/src/copy.c +++ b/src/copy.c @@ -146,6 +146,7 @@ enum copy_debug_val COPY_DEBUG_NO, COPY_DEBUG_YES, COPY_DEBUG_EXTERNAL, + COPY_DEBUG_EXTERNAL_INTERNAL, COPY_DEBUG_AVOIDED, COPY_DEBUG_UNSUPPORTED, }; @@ -179,6 +180,7 @@ copy_debug_sparse_string (enum copy_debug_val debug_val) case COPY_DEBUG_NO: return "no"; case COPY_DEBUG_YES: return "zeros"; case COPY_DEBUG_EXTERNAL: return "SEEK_HOLE"; + case COPY_DEBUG_EXTERNAL_INTERNAL: return "SEEK_HOLE + zeros"; default: return "unknown"; } } @@ -325,6 +327,8 @@ sparse_copy (int src_fd, int dest_fd, char **abuf, size_t buf_size, if (copy_debug.sparse_detection == COPY_DEBUG_UNKNOWN) copy_debug.sparse_detection = hole_size ? COPY_DEBUG_YES : COPY_DEBUG_NO; + else if (hole_size && copy_debug.sparse_detection == COPY_DEBUG_EXTERNAL) + copy_debug.sparse_detection = COPY_DEBUG_EXTERNAL_INTERNAL; /* If not looking for holes, use copy_file_range if functional, but don't use if reflink disallowed as that may be implicit. */ |